[INFO] cloning repository https://github.com/NoahTheDuke/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoahTheDuke/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a39d4c32b375c0145dcc96caa717310cb600c73
[INFO] testing NoahTheDuke/rust_practice against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_practice" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoahTheDuke/rust_practice on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoahTheDuke/rust_practice
[INFO] finished tweaking git repo https://github.com/NoahTheDuke/rust_practice
[INFO] tweaked toml for git repo https://github.com/NoahTheDuke/rust_practice written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/NoahTheDuke/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.11
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79734f7899662d245ffb2e12d913d6e9f103321d0779aadf4e9e885cd4d56c8f
[INFO] running `Command { std: "docker" "start" "-a" "79734f7899662d245ffb2e12d913d6e9f103321d0779aadf4e9e885cd4d56c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79734f7899662d245ffb2e12d913d6e9f103321d0779aadf4e9e885cd4d56c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79734f7899662d245ffb2e12d913d6e9f103321d0779aadf4e9e885cd4d56c8f", kill_on_drop: false }`
[INFO] [stdout] 79734f7899662d245ffb2e12d913d6e9f103321d0779aadf4e9e885cd4d56c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2083b749c8e837250b3bb631a7b90a94ac55a771b9899e7b7017fad3842f95e5
[INFO] running `Command { std: "docker" "start" "-a" "2083b749c8e837250b3bb631a7b90a94ac55a771b9899e7b7017fad3842f95e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.16s
[INFO] running `Command { std: "docker" "inspect" "2083b749c8e837250b3bb631a7b90a94ac55a771b9899e7b7017fad3842f95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2083b749c8e837250b3bb631a7b90a94ac55a771b9899e7b7017fad3842f95e5", kill_on_drop: false }`
[INFO] [stdout] 2083b749c8e837250b3bb631a7b90a94ac55a771b9899e7b7017fad3842f95e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c70c8bfda478cdf2f92bb36f1901c1ced7bce394a9eae9e0e7e6386294f88335
[INFO] running `Command { std: "docker" "start" "-a" "c70c8bfda478cdf2f92bb36f1901c1ced7bce394a9eae9e0e7e6386294f88335", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c70c8bfda478cdf2f92bb36f1901c1ced7bce394a9eae9e0e7e6386294f88335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70c8bfda478cdf2f92bb36f1901c1ced7bce394a9eae9e0e7e6386294f88335", kill_on_drop: false }`
[INFO] [stdout] c70c8bfda478cdf2f92bb36f1901c1ced7bce394a9eae9e0e7e6386294f88335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 116a6670649288f4ada8aaaf953a8141331e14b93dbd1ccc9c7d660aee9d6553
[INFO] running `Command { std: "docker" "start" "-a" "116a6670649288f4ada8aaaf953a8141331e14b93dbd1ccc9c7d660aee9d6553", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice-f0eb0a8154c4b39c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "116a6670649288f4ada8aaaf953a8141331e14b93dbd1ccc9c7d660aee9d6553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116a6670649288f4ada8aaaf953a8141331e14b93dbd1ccc9c7d660aee9d6553", kill_on_drop: false }`
[INFO] [stdout] 116a6670649288f4ada8aaaf953a8141331e14b93dbd1ccc9c7d660aee9d6553